User manual RANE MS 1S DATASHEET

[. . . ] A Polarity switch and high-current cross-coupled output line driver round out the features. The MS 1S utilizes one of the finest ultra low noise amplifier designs available. Featuring a true differential input with high common-mode rejection, use of the MS 1S guarantees performance usually found only in mixing consoles costing thousands of times as much. [. . . ] With this in mind, perhaps a few words on using the MS 1S might not be wasted. BALANCED USE The MS 1S provides a true cross-coupled balanced output. This is equivalent to an electronic simulation of a transformer output. Rane follows the AES standard of pin 2 = hot. When running a long cable back to the mixer, run a line-level balanced line rather than a mic-level line. The compact MS 1S can mount closer to the microphone, provide a local volume control (or not, just pull the knob off), while the stronger signal minimizes RF and hum irritations. UNBALANCED USE Balanced use is recommended to minimize noise. Unbalanced lines are usually quiet under 10 feet (3 meters), but longer runs will introduce the hum and interference you are trying to avoid. When you must drive an unbalanced device with the MS 1S's balanced output, keep the cable short, and connect pin 2 to the "+" or "hot" lead, and tie pin 3 and ground together at the shield. MIXING The MS 1S is designed to fill the need for adding a microphone channel to linelevel mixers, such as the Rane SM 26S or SM 82S. Many installations using either of these products invariably wind up with one unused input that would do the job perfectly if only it could operate at miclevel. In rides the MS 1S to the rescue. DIGITAL RECORDING AND SAMPLING Another handy use for the MS 1S is in recording applications. Many popular products do not have a high enough quality mic preamp to suit the resolution of the digital processing electronics. Using the ultra low noise MS 1S to bring the mic inputs up to extremely high quality line-level is an easy and affordable solution for this dilemma. MICROPHONE TYPES The available gain and large input range of the MS 1S allows the use of virtually any type of microphone. [. . . ] Power, system signal and overload indicators shall be provided. High current cross-coupled active output line driver shall be standard, as well as input RFI filter protection. The unit shall be a Rane MS 1S Microphone Stage. MS 1S 100-240 V 50/60 Hz 3 WATTS MADE IN U. S. A. [. . . ]